// 云函数入口文件
const cloud = require('wx-server-sdk')

cloud.init({
    env:'a-1gb4haz213d919e3'
})

// 云函数入口函数
exports.main = async (event, context) => {
	const wxContext = cloud.getWXContext()
	const db=cloud.database()
	const studentCollection=db.collection('student')

	let choosen=event.user.choosen
	let _id=event.user._id
	let res=await studentCollection.where({
		_id
	}).update({
		data:{
			choosen
		}
	})

	return {
		res
	}
}